body {margin:0 auto;overflow:hidden;}
.login canvas {
  	width:100%;height:auto/*默认全屏显示 可自己设置高度640px*/;
  	display:inline-block;vertical-align:baseline;
  	position:absolute;
  	z-index:-1;
  	}
 .nav{
  background: url(../img/login_white.png);
	width:470px;
	height:535px;
	position:absolute;
	z-index:30;
	top:50%;
	left: 50%;
	margin-left: -235px;
  margin-top: -267.5px;
  text-align: center;
	}
  .login-nav-logo{
    background: url(../img/login_logo.png);
    width: 280px;
    height: 104px;
    margin: 38px auto 33px auto;
  }
  .login-input-suffix{
    width: 300px;
    margin: 0px auto 16px auto;

  }
  .login-input-suffix input{
    height: 50px;
    padding-left: 40px!important;
  }
  .el-icon-user-login{
    margin-left: 5px;
    background: url(../img/login_icon_user.png) center no-repeat;
  }
  .el-icon-pwd-login{
    margin-left: 5px;
    background: url(../img/login_icon_key.png) center no-repeat;
  }
  .el-icon-yzm-login{
    margin-left: 5px;
    background: url(../img/login_icon_yanzhengma.png) center no-repeat;
  }
  .yzm .el-input{
    width: 170px;
    float: left;
  }
  .yzm img{
    width: 120px;
    height: 50px;
    float: left;
    margin-left: 10px;
  }
  .clear{
    clear: both;
  }
  .login-button{
    width: 300px;
    margin-top: 12px;
    background-color: #2e76e2;
    height: 50px;
    font-size: 16px;
    font-weight: bold;
    color: #ffffff;
    border-radius: 4px;
    cursor: pointer;

  }
  .forget{
    text-align: right;
    color: #8a8e99;
    font-size: 14px;
    margin-top: 12px;
  }
